<template>
    <div>App</div>
    <one></one>
</template>
<script setup>
    import  {reactive , provide} from "vue";
    import one from "./components/one.vue";
    let shuaige = reactive({name:"金老师",age:"18"});
    provide('shuaige', shuaige);//provide(传递的名字，传递的数据) 给自己的后代组件传递数据
</script>